Sun-run device turns dirty water into hydrogen fuel & drinking water
With water being a precious resource, a photocatalytic device that uses any untreated water source would be a more sustainable option
Archytas: Greek drone maker nears first surveillance drone sale to Athens
“Although there is no official requirement yet, we have definitely witnessed a sense of urgency from defense authorities to speed things up for Archytas”
NASA can’t talk to its Mars robots for two weeks because the sun is in the way
The space agency is waiting out a phenomenon known as a solar conjunction, in which Earth and Mars are on opposite sides of the sun